Vintage G1 and G2 Transformers Artwork and Prototypes

My apologies to the Mods and community if this is post is in the wrong forum.

I've recently decided to let go of some vintage Transformers pieces I have. Included is original artwork from 1984, prototypes and resin test shots as well as unused packaging samples. Most all of it is pre-production material and has never been released to the public before. Here is the link to my items: